Mining data that was collected from Repucom’s Celebrity DBI and its online consumer surveys, Federer beat out his rival Rafael Nadal when it comes to awareness level. 1,000 consumers were surveyed from the general population, ages 13-75 in the United States.

Here are how the top players rank in awareness with Americans, per Repucon:

Roger Federer - 54%

Rafael Nadal - 50%

David Ferrer - 45%

Andy Murray - 33%

Novak Djokovic - 28%

Yannick Noah - 16%

Jo-Wilfried Tsonga - 12%

Americans were also asked which players would be the strongest in terms of being endorsers.

Here, Murray sits on top:

1. Andy Murray

2. Rafael Nadal

3. Roger Federer

4. David Ferrer

5. Jo-Wilfried Tsonga

6. Novak Djokovic

7. Yannick Noah

It's interesting to see Yannick Noah making the list even though he hasn't played a professional match in about two decades.

I thought it would also be interesting to see how Serena and Venus Williams would fit into the mix.

Venus is right up near the top with very comparable endorsement scores. Venus is known by a whopping 89% of the

U.S. and Serena is known by 87%.

To mention some athletes from other sports, Peyton Manning is has an 88% awareness and the NBA's Kobe Bryant has a 91% awareness.

“Although Roger Federer is the most well known tennis player in the US, he is not judged to be the strongest endorser," says Kathy Gardner, Global Head of DBI at Repucom. "Celebrity DBI research suggests that Andy Murray, reigning Wimbledon champion, actually connects better with US consumers on attributes that influence buying behavior such as appeal, influence and trust.”

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Rick Limpert is a freelance journalist/photographer. He has covered tennis for the last 10 years attending professional, college, and junior tournaments all over North America and Europe. In the last 12 months he has interviewed Roger Federer, Caroline Wozniacki, Maria Sharapova, Mardy Fish, John Isner, Petra Kvitova and others. You can follow Rick on Twitter at @RickRoswell or contact him with your comments and questions. Rick also contributes to CBS Local, and can be read here.